public static PcmData ReadWav(BinaryReader br)
{
var reader = new WavReader();
if (!reader.ReadHeaderAndSamples(br, 0, -1)) {
return null;
}
var pcm = new PcmData();
pcm.AlbumTitle = reader.AlbumName;
pcm.ArtistName = reader.ArtistName;
pcm.DisplayName = reader.Title;
pcm.SetFormat(reader.NumChannels, reader.BitsPerSample,
reader.ValidBitsPerSample, reader.SampleRate,
reader.SampleValueRepresentationType, reader.NumFrames);
pcm.SetSampleArray(reader.GetSampleArray());
return pcm;
}
private int StreamBeginWave(string path, long startFrame)
{
int ercd = -1;
mWaveR = new WavReader();
mBr = new BinaryReader(
File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read));
bool readSuccess = mWaveR.ReadStreamBegin(mBr, out mPcmData);
if (readSuccess) {
NumFrames = mWaveR.NumFrames;
if (mWaveR.ReadStreamSkip(mBr, startFrame)) {
ercd = 0;
}
}
return ercd;
}
/// <summary>
/// 読み込み処理を通常終了する。
/// </summary>
/// <returns>Error code</returns>
public int StreamEnd()
{
int rv = 0;
mMD5SumInMetadata = null;
mMD5SumOfPcm = null;
switch (m_format) {
case Format.FLAC:
rv = mFlacR.ReadStreamEnd();
mMD5SumInMetadata = mFlacR.MD5SumInMetadata;
mMD5SumOfPcm = mFlacR.MD5SumOfPcm;
break;
case Format.AIFF:
mAiffR.ReadStreamEnd();
break;
case Format.WAVE:
mWaveR.ReadStreamEnd();
break;
case Format.DSF:
mDsfR.ReadStreamEnd();
break;
case Format.DSDIFF:
mDsdiffR.ReadStreamEnd();
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
if (null != mBr) {
mBr.Close();
mBr = null;
}
mPcmData = null;
mFlacR = null;
mAiffR = null;
mWaveR = null;
mDsfR = null;
return rv;
}
public void StreamAbort()
{
switch (m_format) {
case Format.FLAC:
mFlacR.ReadStreamAbort();
break;
case Format.AIFF:
mAiffR.ReadStreamEnd();
break;
case Format.WAVE:
mWaveR.ReadStreamEnd();
break;
case Format.DSF:
mDsfR.ReadStreamEnd();
break;
case Format.DSDIFF:
mDsdiffR.ReadStreamEnd();
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
if (null != mBr) {
mBr.Close();
mBr = null;
}
mPcmData = null;
mFlacR = null;
mAiffR = null;
mWaveR = null;
mDsfR = null;
}
private PcmData ReadWavFile(string path)
{
PcmData pcmData = new PcmData();
using (BinaryReader br = new BinaryReader(
File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
var wavR = new WavReader();
bool readSuccess = wavR.ReadHeaderAndSamples(br, 0, -1);
if (!readSuccess) {
return null;
}
pcmData.SetFormat(wavR.NumChannels, wavR.BitsPerSample, wavR.BitsPerSample,
wavR.SampleRate, wavR.SampleValueRepresentationType, wavR.NumFrames);
pcmData.SetSampleArray(wavR.GetSampleArray());
}
return pcmData;
}
/// <summary>
/// WAVファイルのヘッダ部分を読み込む。
/// </summary>
/// <returns>読めたらtrue</returns>
private bool ReadWavFileHeader(string path)
{
bool result = false;
var pd = new PcmDataLib.PcmData();
var wavR = new WavReader();
using (BinaryReader br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
if (wavR.ReadHeader(br)) {
// WAVヘッダ読み込み成功。PcmDataを作って再生リストに足す。
pd.SetFormat(wavR.NumChannels, wavR.BitsPerSample, wavR.ValidBitsPerSample,
(int)wavR.SampleRate, wavR.SampleValueRepresentationType, wavR.NumFrames);
if ("RIFFINFO_INAM".Equals(wavR.Title) &&
"RIFFINFO_IART".Equals(wavR.ArtistName)) {
// Issue 79 workaround
} else {
if (wavR.Title != null) {
pd.DisplayName = wavR.Title;
}
if (wavR.AlbumName != null) {
pd.AlbumTitle = wavR.AlbumName;
}
if (wavR.ArtistName != null) {
pd.ArtistName = wavR.ArtistName;
}
}
pd.SetPicture(wavR.PictureBytes, wavR.PictureData);
result = CheckAddPcmData(path, pd, true);
} else {
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + ": {1} : {2}{3}",
"WAV", path, wavR.ErrorReason, Environment.NewLine));
}
}
return result;
}
